diff options
| -rw-r--r-- | block/cfq-iosched.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index dbd0207928fb..ed86fb242cd4 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1714,16 +1714,26 @@ static int cfqg_print_leaf_weight_device(struct seq_file *sf, void *v) static int cfq_print_weight(struct seq_file *sf, void *v) { struct blkcg *blkcg = css_to_blkcg(seq_css(sf)); + struct cfq_group_data *cgd = blkcg_to_cfqgd(blkcg); + unsigned int val = 0; - seq_printf(sf, "%u\n", blkcg_to_cfqgd(blkcg)->weight); + if (cgd) + val = cgd->weight; + + seq_printf(sf, "%u\n", val); return 0; } static int cfq_print_leaf_weight(struct seq_file *sf, void *v) { struct blkcg *blkcg = css_to_blkcg(seq_css(sf)); + struct cfq_group_data *cgd = blkcg_to_cfqgd(blkcg); + unsigned int val = 0; + + if (cgd) + val = cgd->leaf_weight; - seq_printf(sf, "%u\n", blkcg_to_cfqgd(blkcg)->leaf_weight); + seq_printf(sf, "%u\n", val); return 0; } |